Yes, it gives a clear overview on such songs.

A dream is a compilation record on CD or on vinyl-set with that less known songs.
"Hot Dog" was released on a special German "Media-Markt-store-edition" of the Tracker CD-Album.
"Remembrance Day" was released as a 2-Track-Promo-CD-Single in 2009. Remembrance day / Piper to the end, UK-Promo, REMEMBERCJ-1, 2009
On the Deluxe BOX-Set of DTRW, there is a Bonus 4-Track-Vinylsingle with the following songs: Drovers´ Road, Don´t Suck Me In, Sky And Water, Pale Imitation. I don´t know if they are ASCAP controlled or listed.